JP2004346661A - Slope device for wheelchair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a slope device for a wheelcair folded compactly in the case of a carrying. <P>SOLUTION: A folding connector 3 specifying the mutual space of left-right slope plates 2 and 2 is installed in a manner that the connector 3 can be formed in a trapezoidal shape through a hinge connecting section 12, and the slope device 1 for the wheelchair can be folded in a fourfold shape in the cross direction by pivotally connecting the outer end section of the connector 3 and the inner side edges of the slope plates 2 and 2 in a manner that the outer end section and the inner side edges can be folded in a valley shape through hinge members 5 and 5. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a wheelchair slope device which is installed on a step or a groove as necessary to facilitate the passage of a wheelchair.
[0002]
[Prior art]
A wheelchair slope device in which left and right slope plates are foldably connected by hinges, and when used, the left and right slope plates are opened in a planar manner via the hinges so that the slope plates form a running surface for a wheelchair. Is disclosed in Patent Document 1. Such a wheelchair slope device is folded in two via a hinge, thereby achieving compactness when the device is carried.
[0003]
[Patent Document 1]
JP 2001-279898 A
[Problems to be solved by the invention]
By the way, in the above prior art, it is folded in a two-fold shape, and is only reduced to almost half the width at the time of unfolding. Therefore, it is still large, and it is further reduced in size from the viewpoint of handleability at the time of carrying. It is desirable to obtain. Further, Patent Document 1 discloses a configuration in which a hinge is slidably mounted in a width direction of a slope plate, and the hinge is slid into the slope plate when folded to minimize the protruding height. However, when the slope device is hung by hand while holding the hinge that also serves as a handle for carrying, the hinge is pulled out. Was something.
[0005]
An object of the present invention is to provide a wheelchair slope device that can solve such a conventional problem.
[0006]
[Means for Solving the Problems]
The present invention comprises a pair of left and right slope plates having a predetermined width through which a wheel of a wheelchair can pass, and a pair of left and right connecting rods whose opposing inner ends are pivotally connected via a hinge joint so as to be mountain-foldable. One or a plurality of folded joints, which are inserted between the two slope plates and define the mutual interval of the two slope plates in a substantially horizontal deployed state, the outer ends of the two connecting rods and the inner edges of the left and right slope plates. Respectively, and holding means for holding the left and right slope plates in a folded state.The folding connection body is mountain-folded at a hinge connecting portion, and the folding connection body is A slope device for a wheelchair, characterized in that the outer end portion and the inner edges of the left and right slope plates are valley-folded via a hinge member so that they can be folded into four in the width direction.
[0007]
In such a configuration, the wheelchair slope device can be folded in four in the width direction, so that it can be extremely compactly folded at the time of carrying and has excellent handleability. In addition, by providing the holding means for holding the left and right slope plates in a folded state, a compact form is maintained during carrying, and the left and right slope plates are not inadvertently unfolded.
[0008]
Further, as the holding means, a magnet disposed on one of the outer edge upper part of the slope plate and the inner end upper surface of the connecting rod, and a magnetic substance which is present on the other and is attracted to the magnet. Is proposed. As described above, by holding the folded state of the left and right slope plates through the attracting action of the magnet, the holding operation and the detaching operation can be easily performed with one touch.
[0009]
Furthermore, a configuration is proposed in which a handle is provided at the hinge joint. According to such a configuration, the wheelchair slope device in a state of being compactly folded into a four-fold shape can be easily carried as a handbag with the handle.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 1 and 2, a slope device 1 for a wheelchair according to the present invention includes a pair of left and right slope plates 2 and 2 and a mountain-foldable foldable joint body that defines a mutual interval between the slope plates 2 and 2. 3 and 3 and hinge members 5 and 5 for pivotally connecting the outer ends of the connecting rods 4 and 4 and the inner edges of the left and right slope plates 2 and 2 so as to be valley-foldable. Have. In this embodiment, two fold-connectors 3 are arranged in front and back, but the number of fold-connectors 3 may be two or more, or may be one. is there.
[0011]
Each of the slope plates 2 and 2 includes a strip 6 elongated in the front-rear direction and L-shaped angles 7 and 7 for reinforcement fixed along left and right side edges of the strip 6, and is an L-shape rising upward. One edge of each of the angles 7, 7 serves as a guide edge 8, 8 for preventing the wheels of the wheelchair from coming off. Here, the width of each of the slope plates 2 is set to a predetermined width (about 175 mm) through which the left and right wheels of the wheelchair can pass. By providing the slope plates 2 and 2 only for the portions necessary for the wheelchair to pass through in this way, the weight of the wheelchair slope device 1 is reduced, and the device can be easily carried. The strips 6 and the L-shaped angles 7 and 7 constituting the slope plates 2 and 2 and the connecting rods 4 and 4 constituting the folding connector 3 are made of a material such as iron, stainless steel, aluminum, or hard synthetic resin. Although it can be formed by using, among them, aluminum having a predetermined strength and light weight is preferably used.
[0012]
As shown in FIG. 3, the front end of each of the slope plates 2 and 2 is formed by bending the front end of the strip 6 into a hook shape so that the horizontal portion 9a and the obliquely downwardly inclined portion 9b are vertically locked. A support end 10 having a portion 9c is provided. Here, FIG. 3 shows a state in which the wheelchair slope device 1 is installed in order to eliminate a step h generated between the entrance / exit N of the train and the platform P, and is disposed below the entrance / exit N of the train on the higher side. The front ends of the slope plates 2 and 2 can be bridged so as to straddle the provided rail r at the support end 10. The locking portion 9c of the support end 10 is engaged with the rail r to prevent the wheelchair slope device 1 from dropping off when the wheelchair slope device 1 is displaced rearward due to shaking of a train or the like. Further, a stopper piece 11 made of an L-shaped angle is vertically provided on the lower surface of the horizontal portion 9a of the support end 10, and the stopper piece 11 is brought into contact with the outer edge of the floor of the train so that it can be used for a wheelchair. The slope device 1 is prevented from shifting forward. Although not shown, non-slip processing is performed on the upper surfaces of the slope plates 2 and 2 by sticking a rubber tape or spraying ceramics.
[0013]
Each of the foldable joints 3 includes a pair of left and right connecting rods 4, 4. The opposing inner ends of the connecting rods 4, 4 are pivotally connected via a hinge joint 12 so as to be mountain-foldable. ing. Here, as shown in FIG. 4 and FIG. 5, the hinge connecting portion 12 is formed by fixing mounting plates 13, 13 to the lower surfaces of the opposed inner ends of the connecting rods 4, 4 and alternately projecting in cross section. It comprises a pair of C-shaped hinge fittings 14, 14, a hinge pin 15 composed of a bolt inserted through the hinge fittings 14, 14, and a retaining nut 16 screwed to an end of the hinge pin 15. A hinge pin 15 is inserted in series through the hinge fittings 14 and a retaining nut 16 is screwed into a protruding end of the hinge pin 15, thereby rotatably connecting the opposed inner ends of the two connecting rods 4 and 4. I am trying to do it. As a result, each of the folding connectors 3 can be folded in a mountain fold by rotating the pair of left and right connecting rods 4 via the hinge coupling portion 12 toward the lower surface side when folding. ing.
[0014]
As shown in FIG. 1, a handle 17 is provided between the hinge joints 12, 12 of the folding connectors 3, 3. The handle 17 is bent in a U-shape, and as shown in FIG. 4, the hinge pins 15, 15 are loosely fitted into through holes 18, 18 formed at the bent edges at both ends thereof, so that the hinge connecting portion 12 is formed. , 12 are rotatably supported.
[0015]
On the other hand, the outer ends of the connecting rods 4, 4 constituting the folding connection bodies 3, 3 and the inner edges of the left and right slope plates 2, 2 are hinged by hinge-shaped hinge members 5, 5. I have. As shown in FIG. 6, the hinge members 5 and 5 have one rotating wing piece 20a connected via a support shaft 19 fixed to the lower surface of the outer end of each connecting rod 4 and 4, and the other rotating wing piece 20a. The wing pieces 20b are fixed to the inner surfaces of the guide edges 8, 8 inside the slope plates 2, 2. Here, the hinge members 5, 5 are in the deployed state of the slope plates 2, 2 (see FIG. 2), and the rotating wing piece 20a fixed to the connecting rod 4 is horizontally attached to the upper end of the guide edge 8. It is arranged at the height position where it abuts. As a result, the connecting rods 4 and 4 are supported horizontally, restricting further relative downward rotation, and the connecting rods 4 and 4 and the slope plates 2 and 2 are moved upward. Relative rotation is enabled, and the connecting rods 4, 4 and the slope plates 2, 2 can be folded in a valley-fold shape, respectively. Further, as described above, the distance between the slope plates 2 and 2 is defined in a state where the left and right connection rods 4 and 4 of the folding connection body 3 are deployed substantially horizontally.
[0016]
In addition, the upper surface of the left and right connecting rods 4, 4 constituting one of the folding connectors 3, 3 of the above-mentioned folding connectors 3, 3 is formed of an iron plate located near the hinge connection portion 12. Magnetic bodies 21 and 21 are provided, respectively, and magnets 22 and 22 formed of magnet catches adsorbed to the magnetic bodies 21 and 21 are provided above the outer edges of the slope plates 2 and 2, respectively. When the connecting rods 4 and 4 and the slope plates 2 and 2 are folded in a valley-fold shape, the magnets 22 and 22 are located outside the slope plates 2 and 2 at positions where the magnetic bodies 21 and 21 can be attracted. The magnets 22, 22 and the magnetic bodies 21, 21 constitute holding means for holding the left and right slope plates 2, 2 in a folded state.
[0017]
In the deployed state, the wheelchair slope apparatus 1 having such a configuration, as shown in FIG. 3, bridges the step h between the lower floor and the higher floor where the step h occurs, thereby eliminating the step h. A wheelchair can easily pass over the slope plates 2 and 2.
[0018]
The wheelchair slope apparatus 1 after use, in the expanded state shown in FIG. 7 (b), the left and right slope plate 2,2, upper inward the hinge members 5 as a fulcrum (direction of arrow F ₁ 7), the outer ends of the folding connectors 3 and 3 and the inner edges of the left and right slope plates 2 and 2 are folded in a valley fold, as shown in FIG. At this time, the magnetic bodies 21 and 21 are attracted to the magnets 22 and 22 and the folded state is maintained. Next, by pulling the hinge joint portion 12 upward with the handle 17, the outer end side of the foldable joints 3, 3 with the hinge joint portion 12 as a fulcrum, with the lifting operation, lower inward by the weight of the 2 and folded connecting member 3, 3 automatically (arrow F ₂ direction), as shown in FIG. 7 (c), the folded connecting member 3, 3 hinged connection 12 Is folded in a mountain fold. Thereby, the slope device 1 for wheelchairs can be folded in four in the width direction. It should be noted that the wheelchair slope device 1 folded in four can be easily deployed by an operation substantially reverse to the above.
[0019]
As described above, the wheelchair slope device 1 can be easily folded in four folds and is extremely compact, so that it is excellent in handleability when carrying. In addition, the holding means for holding the left and right slope plates 2 and 2 in a folded state maintains a compact form when being carried and prevents the left and right slope plates 2 and 2 from being unintentionally expanded.
[0020]
In the above embodiment, the magnets 22, 22 as holding means for holding the left and right slope plates 2, 2 in a folded state are disposed above the outer edges of the slope plates 2, 2, and the magnetic members 21 are provided. , 21 are arranged on the upper surfaces of the inner ends of the connecting rods 4, 4, but the arrangement relation may be reversed. When the connecting rods 4 and 4 are made of a magnetic material such as iron or stainless steel, the connecting rods 4 and 4 themselves can be made of the magnetic bodies 21 and 21.
[0021]
【The invention's effect】
As described above, according to the present invention, a pair of left and right slope plates 2 and 2 having a predetermined width through which wheels of a wheelchair can pass, and opposing inner ends are pivotally connected via a hinge joint 12 so as to be mountain-foldable. A single or a plurality of foldable connecting members, each of which comprises a pair of left and right connecting rods 4 and 4 and extends between the two slope plates 2 and 2 to define an interval between the two slope plates 2 and 2 in a substantially horizontal developed state. 3, hinge members 5 and 5 for pivoting the outer ends of the connecting rods 4 and 4 and the inner edges of the left and right slope plates 2 and 2 so that they can be folded in a valley, respectively, and folding of the left and right slope plates 2 and 2 Holding means for holding the state, the folded joint 3 is mountain-folded at the hinge joint 12, and the outer end of the folded joint 3 and the inner edges of the left and right slope plates 2, 2 are connected. By folding it in the valley via the hinge members 5, 5, it is folded four times in the width direction. Since wheelchair ramps apparatus 1 and foldable, after use, it can be folded easily quarto shape, since it becomes extremely compact, and has excellent handling properties during carrying. In addition, the holding means for holding the left and right slope plates 2 and 2 in a folded state maintains a compact form when being carried and prevents the left and right slope plates 2 and 2 from being unintentionally expanded.
[0022]
Further, the holding means is provided with a magnet 22 provided on one of the upper outer edges of the slope plates 2 and 2 and the upper surfaces of the inner ends of the connecting rods 4, and a magnet 22 provided on the other. By holding the folded state of the left and right slope plates 2 and 2 through the attracting action of the magnet 22, the holding operation and the detaching operation can be easily performed with one touch. it can.
[0023]
Further, the provision of the handle 17 at the hinge connection portion 12 allows the wheelchair slope device 1 folded compactly into four parts to be easily carried by the handle 17.
[Brief description of the drawings]
FIG. 1 is a plan view of a slope device 1 for a wheelchair according to the present invention.
FIG. 2 is a sectional view taken along line AA of FIG.
FIG. 3 is a side sectional view taken along the line BB of FIG. 1 in a state where the slope device 1 for a wheelchair is installed.
FIG. 4 is an exploded perspective view showing a configuration of a hinge connecting portion 12.
5A is an exploded plan view showing the configuration of the hinge connecting portion 12, and FIG. 5B is a longitudinal sectional view of the hinge connecting portion 12. FIG.
FIG. 6 is an enlarged sectional view of a hinge member 5 part.
FIGS. 7A and 7B show the unfolded state of the wheelchair slope device 1, the folded state of the left and right slope plates 2 and 2, and the folded state of the foldable coupling body 3, respectively. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Slope device for wheelchair 2 Slope plate 3 Folding connection body 4 Connection rod 5 Hinge member 12 Hinge connection part 17 Handle 21 Magnetic body (holding means)
22 magnets (holding means)

Claims (3)

A pair of left and right slope plates having a predetermined width through which a wheelchair wheel can pass,
The opposing inner ends are composed of a pair of left and right connecting rods pivotally connected to each other via a hinge joint so as to be mountain-foldable. Defining, one or more folding linkages;
A hinge member that pivotally connects the outer ends of both connecting rods and the inner edges of the left and right slope plates so that they can be valley-folded,
Holding means for holding the folded state of the left and right slope plates,
The folded joint is folded in a mountain at a hinge joint, and the outer end of the folded joint and the inner edges of the left and right slope plates are trough-folded via a hinge member, thereby forming a four-fold shape in the width direction. A slope device for a wheelchair characterized by being foldable. The holding means is constituted by a magnet disposed on one of the upper portion of the outer edge of the slope plate and the upper surface of the inner end of the connecting rod, and a magnetic member which is present on the other and is attracted to the magnet. The slope device for a wheelchair according to claim 1, wherein: The slope device for a wheelchair according to claim 1 or 2, wherein a handle is provided at the hinge connection portion.

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